Professor Jacalyn Duffin has an op-ed on medical miracles in today's New York Times: ''. In it, she describes her medical testimony at the Vatican, as part of the canonization hearings for Marie-Marguerite d'Youville. That experience led Jackie to start studying the role of medical miracles in canonizations more generally, leading to two of her books of the past decade. We're really pleased that Jackie is introducing her work to the New York Times readership!